Pith Number

pith:CTUMPPND

pith:1992:CTUMPPNDN5PVUFYBWXXU2SL3QI

not attested not anchored not stored refs pending

Target Space Duality as a Symmetry of String Field Theory

Barton Zwiebach, Taichiro Kugo

arxiv:hep-th/9201040 v1 · 1992-01-21 · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CTUMPPNDN5PVUFYBWXXU2SL3QI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Local symmetry and the dependence on extended spacetime

Receipt and verification

First computed	2026-05-18T04:37:44.301378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14e8c7bda36f5f5a1701b5ef4d497b82138181100527bfbd5a202370772091d9

Aliases

arxiv: hep-th/9201040 · arxiv_version: hep-th/9201040v1 · doi: 10.48550/arxiv.hep-th/9201040 · pith_short_12: CTUMPPNDN5PV · pith_short_16: CTUMPPNDN5PVUFYB · pith_short_8: CTUMPPND

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/CTUMPPNDN5PVUFYBWXXU2SL3QI \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 14e8c7bda36f5f5a1701b5ef4d497b82138181100527bfbd5a202370772091d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc0675e4ffffbc428864b5b3ab607f1328d3666c2c43673a001fffe63ffaf743",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1992-01-21T23:11:00Z",
    "title_canon_sha256": "459cdb11be70ed811d4ef3852f632ee98282152cc5ee151440740c7c5fa90691"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9201040",
    "kind": "arxiv",
    "version": 1
  }
}